167.66% is the change from 303 to 811
Calculation steps:
[( 811 - 303 ) ÷ 303] x 100 = 167.66%
Formula
Percentage change = [(811 - 303) / 303] x 100
Subtract the new number by the original number
811 - 303 = 508
508 ÷ 303 = 1.6765676567656767
1.6765676567656767 x 100 = 167.66%